Home / 5,075.22-7,611.48-1,955.64

Finding the Fourth Proportional to 5,075.22, 7,611.48 and 1,955.64

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Solution

The fourth proportional to 5,075.22, 7,611.48 and 1,955.64 is: 2,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.22 : 7,611.48 = 1,955.64 : x
  2. Step 2: Convert to fraction form
    5,075.22/7,611.48 = 1,955.64/x
  3. Step 3: Cross multiply
    5,075.22x = 7,611.48 × 1,955.64
  4. Step 4: Simplify right side
    5,075.22x = 14,885,314.75
  5. Step 5: Solve for x
    x = 14,885,314.75/5,075.22
  6. Step 6: Final answer
    x = 2,932.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.